> > If you rmmod the sd_mod module and plug in, then it will get
> > mounted.
>
> That's just wierd. I can't think of anything that has changed
> recently to cause this.
>
> Can you use 'git bisect' to try to narrow it down which change caused
> the problem?

I've done a binary search of kernels and found that the breakage occurs
between 2.6.17-git3 and 2.6.17-git4